A ray of light traveling in glass `(mu=3//2)` is incident on a horizontal glass-air surface at the critical angle `theta_(C)`. If a thin layer of water `(mu=4//3)` is now poured on the glass-air surfac, the angle at which the ray emerges into air at the water-air surface is

A ray of light travelling in glass (mu_g=3//2) is incident on a horizontal glass-air surface at the critical angle theta_C. If a thin layer of water (mu_w=4//3) is now poured on the glass-air surface. At what angle will the ray of light emerges into water at glass-water surface?

A ray of light travelling in air is incident on a rectangular glass slab. What will happen?

A ray of light travelling inside a rectangular glass block (mu=sqrt2) is incident on the glass-air surface at an angle of incidence of 45^@ . The refractive index of air is 1. The ray will

A ray of light travelling in air is incident on the surface of glass slab at an angle of 40^(@) . If the ray is deviated through 18^(@) , determine critical angle for the glass-air interface.

A ray of light travelling from glass to air is incident at 50^(@) from the glass air boundary . What is the angle of deviation if the critical angle is 42^(@) ?

A ray of light travelling inside a rectangular glass block of refractive index sqrt 2 is incident on the glass-air surface at an angle of incidence of 45^(@) . The refractive index of air is one. Under these conditions the ray will

A ray of light travelling in water is incident on its surface open to air. The angle of incidence is theta , which is less than the critical angle. Then there will be

A ray of light travelling in water is incident on its surface open to air. The angle of incidence is theta , which is less than the critical angle. Then there will be

When light travels from glass to air, the incident angle is theta_(1) and the refracted angle is theta_(2) . The true relation is